public class Test {
    public static int sum(int n1,int n2){
        return n1 + n2;
    }
    public static double sum(double n1,double n2){
        return n1 + n2;
    }
    public static void main(String[] args) {
        int[] array1 = new int[10];

        int[] array2 = new int[]{1,2,3,4,5,6,7};

        int[] array3 = {1,2,3,4,5};

        System.out.println(sum(3.13,78.8));
    }
}
